Replacement filter elements for filtering shower head, 12 pieces/set. The mineral stone in the stone flow filter shower can also be replaced with this PP polypropylene cotton filterAbsorb dirt, dust and other harmful substances in the water, remove impurities in the shower water, and monitor water qualityEasy to install, compatible with a variety of detachable hand showers, just twist the lower part of the body and put the filter cotton. If the shower is relatively short, you can also unplug the blue cover on the filter elements cotton and install it at the shower inlet.It is recommended that you change it every 4-6 weeks according to the water qualityMaterial:PPcolour:WhitePackage Contents:12 x filter elementsOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.